1978 Cadillac Eldorado Custom Biarritz Classic
Sold at RM Sotheby's on March 30, 2019, offered with no reserve.
$22,000Confirmed
The price as reported by the house. Hammer price $19,643, before the buyer's premium. Read from the house's results Oct. 26, 2026.
The car
- Year
- 1978
- Make and model
- Cadillac Eldorado
- Generation
- Eldorado 1967 to 1978
- Chassis
- 6L47S8Q289647
- Condition
- Excellent (2)Likely
Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.
Against comparable sales
Inside the middle half of 160 comparable sales.
Middle half of sales$13,963 to $35,194
Median$19,751
Sales behind it160Likely
From 160 sales of the Cadillac Eldorado 1967 to 1978 in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $13,963 and $35,194.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1978 Cadillac Eldorado Custom Biarritz Classic AstroroofBring a Trailer, Nov. 1, 2026 | Bring a Trailer | Nov. 1, 2026 | $8,000 |
| 1978 CADILLAC ELDORADO BIARRITZ CLASSICBarrett-Jackson, Sept. 10, 2026 | Barrett-Jackson | Sept. 10, 2026 | $26,500 |
| 1978 Cadillac Eldorado Biarritz AstroroofBring a Trailer, Aug. 7, 2026 | Bring a Trailer | Aug. 7, 2026 | $8,725 |
| 1978 Cadillac EldoradoCars & Bids, June 10, 2026 | Cars & Bids | June 10, 2026 | $15,000 |
| 1978 Cadillac Eldorado Biarritz AstroroofBring a Trailer, May 4, 2026 | Bring a Trailer | May 4, 2026 | $10,350 |
| 25-Years-Family-Owned 1978 Cadillac Eldorado BiarritzBring a Trailer, Feb. 25, 2026 | Bring a Trailer | Feb. 25, 2026 | $5,700 |
| 1978 Cadillac Eldorado BiarritzBring a Trailer, Feb. 3, 2026 | Bring a Trailer | Feb. 3, 2026 | $6,254 |
| 1978 Cadillac Eldorado Custom Biarritz Classic AstroroofBring a Trailer, Nov. 13, 2025 | Bring a Trailer | Nov. 13, 2025 | $15,250 |
This car's historyLikely
Matched across sales by chassis number.
| Date | What happened | Where | Miles | Price |
|---|---|---|---|---|
| March 30, 2019 | Sold (this sale)RM Sotheby's | RM Sotheby's | $22,000 | |
| Sept. 16, 2021 | SoldBarrett-Jackson | Barrett-Jackson | $22,000 | |
| Sept. 11, 2023 | SoldBring a Trailer | Bring a Trailer | $23,000 | |
| Nov. 13, 2025 | SoldBring a Trailer | Bring a Trailer | $15,250 |